Milk Sugar (Noun)
Meaning
A sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk; "cow's milk contains about 4.7% lactose".
Classification
Nouns denoting substances.
Examples
- Human babies are born with the digestive enzyme lactase that breaks down milk sugar for nutrition and energy.
- Milk sugar, or lactose, is a disaccharide formed from glucose and galactose through an enzyme-catalyzed reaction.
- Cow's milk contains about 4.7 percent milk sugar which is essential for young mammals to grow and develop properly.
- Those with lactose intolerance struggle to digest milk sugar because their bodies do not produce enough lactase enzyme.
- Milk sugar serves as the primary source of energy for nursing calves and is only broken down by the lactase enzyme found in mammalian intestines.